St. Bernard Costume - Baby 12-18 The St. Bernard puppy dog costume for baby includes a plush romper with a keg and headpiece. This baby St. Bernard puppy dog costume for baby comes in sizes Infant, Baby 12-18. The headpiece with our St. Bernard puppy dog costume for baby features soft floppy ears. Please note: This item's color may vary due to inherent manufacturing variations or your computer monitor's color settings. The item you receive will be identical or substantially similar to the item pictured in this listing.